Fix unused variable warning.

1 files changed, 1 insertions, 1 deletions

diff --git a/i2c.cpp b/i2c.cpp
index ff081ae..cee72ec 100644
--- a/i2c.cpp
+++ b/i2c.cpp
@@ -17,7 +17,7 @@ void interrupt<Interrupt::I2C1_ER>() {
 
 void I2C::irq_ev() {
 	uint32_t sr1 = I2C1.SR1;
-	uint32_t sr2 = I2C1.SR2;
+	I2C1.SR2;
 	
 	// EV5, SB = 1: Start condition sent.
 	if(sr1 & 0x01) {